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Effective Income Tax Reconciliation (Parenthetical) (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Rate Reconciliation [Line Items] |  |  |
Basic earnings per share amounts of the benefit resulting from the "Approved and Privileged Enterprise" status | $ 0.22 chkp_BasicEarningsPerSharesAmountResultingFromIssuanceOfStatus | $ 0.24 chkp_BasicEarningsPerSharesAmountResultingFromIssuanceOfStatus | $ 0.24 chkp_BasicEarningsPerSharesAmountResultingFromIssuanceOfStatus
Diluted earnings per share amounts of the benefit resulting from the "Approved and Privileged Enterprise" status | $ 0.22 chkp_DilutedEarningsPerSharesAmountResultingFromIssuanceOfStatus | $ 0.24 chkp_DilutedEarningsPerSharesAmountResultingFromIssuanceOfStatus | $ 0.23 chkp_DilutedEarningsPerSharesAmountResultingFromIssuanceOfStatus

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- Definition Basic Earnings Per Shares Amount Resulting From Issuance Of Status + References No definition available. + Details
Name: | chkp_BasicEarningsPerSharesAmountResultingFromIssuanceOfStatus
Namespace Prefix: | chkp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Diluted Earnings Per Shares Amount Resulting From Issuance Of Status + References No definition available. + Details
Name: | chkp_DilutedEarningsPerSharesAmountResultingFromIssuanceOfStatus
Namespace Prefix: | chkp_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | chkp_IncomeTaxRateReconciliationLineItems
Namespace Prefix: | chkp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration